1 /* 2 * Copyright 2007-8 Advanced Micro Devices, Inc. 3 * Copyright 2008 Red Hat Inc. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be included in 13 * all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 21 * OTHER DEALINGS IN THE SOFTWARE. 22 * 23 * Authors: Dave Airlie 24 * Alex Deucher 25 */ 26 27 #include <drm/display/drm_dp_mst_helper.h> 28 #include <drm/drm_edid.h> 29 #include <drm/drm_crtc_helper.h> 30 #include <drm/drm_modeset_helper_vtables.h> 31 #include <drm/drm_probe_helper.h> 32 #include <drm/radeon_drm.h> 33 #include "radeon.h" 34 #include "radeon_audio.h" 35 #include "atom.h" 36 37 #include <linux/pm_runtime.h> 38 #include <linux/vga_switcheroo.h> 39 40 void radeon_connector_hotplug(struct drm_connector *connector) 41 { 42 struct drm_device *dev = connector->dev; 43 struct radeon_device *rdev = dev->dev_private; 44 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 45 46 /* bail if the connector does not have hpd pin, e.g., 47 * VGA, TV, etc. 48 */ 49 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) 50 return; 51 52 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); 53 54 /* if the connector is already off, don't turn it back on */ 55 /* FIXME: This access isn't protected by any locks. */ 56 if (connector->dpms != DRM_MODE_DPMS_ON) 57 return; 58 59 /* just deal with DP (not eDP) here. */ 60 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { 61 struct radeon_connector_atom_dig *dig_connector = 62 radeon_connector->con_priv; 63 64 /* if existing sink type was not DP no need to retrain */ 65 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT) 66 return; 67 68 /* first get sink type as it may be reset after (un)plug */ 69 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector); 70 /* don't do anything if sink is not display port, i.e., 71 * passive dp->(dvi|hdmi) adaptor 72 */ 73 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT && 74 radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) && 75 radeon_dp_needs_link_train(radeon_connector)) { 76 /* Don't start link training before we have the DPCD */ 77 if (!radeon_dp_getdpcd(radeon_connector)) 78 return; 79 80 /* Turn the connector off and back on immediately, which 81 * will trigger link training 82 */ 83 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); 84 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); 85 } 86 } 87 } 88 89 static void radeon_property_change_mode(struct drm_encoder *encoder) 90 { 91 struct drm_crtc *crtc = encoder->crtc; 92 93 if (crtc && crtc->enabled) { 94 drm_crtc_helper_set_mode(crtc, &crtc->mode, 95 crtc->x, crtc->y, crtc->primary->fb); 96 } 97 } 98 99 int radeon_get_monitor_bpc(struct drm_connector *connector) 100 { 101 struct drm_device *dev = connector->dev; 102 struct radeon_device *rdev = dev->dev_private; 103 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 104 struct radeon_connector_atom_dig *dig_connector; 105 int bpc = 8; 106 int mode_clock, max_tmds_clock; 107 108 switch (connector->connector_type) { 109 case DRM_MODE_CONNECTOR_DVII: 110 case DRM_MODE_CONNECTOR_HDMIB: 111 if (radeon_connector->use_digital) { 112 if (connector->display_info.is_hdmi) { 113 if (connector->display_info.bpc) 114 bpc = connector->display_info.bpc; 115 } 116 } 117 break; 118 case DRM_MODE_CONNECTOR_DVID: 119 case DRM_MODE_CONNECTOR_HDMIA: 120 if (connector->display_info.is_hdmi) { 121 if (connector->display_info.bpc) 122 bpc = connector->display_info.bpc; 123 } 124 break; 125 case DRM_MODE_CONNECTOR_DisplayPort: 126 dig_connector = radeon_connector->con_priv; 127 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 128 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) || 129 connector->display_info.is_hdmi) { 130 if (connector->display_info.bpc) 131 bpc = connector->display_info.bpc; 132 } 133 break; 134 case DRM_MODE_CONNECTOR_eDP: 135 case DRM_MODE_CONNECTOR_LVDS: 136 if (connector->display_info.bpc) 137 bpc = connector->display_info.bpc; 138 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) { 139 const struct drm_connector_helper_funcs *connector_funcs = 140 connector->helper_private; 141 struct drm_encoder *encoder = connector_funcs->best_encoder(connector); 142 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 143 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; 144 145 if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR) 146 bpc = 6; 147 else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR) 148 bpc = 8; 149 } 150 break; 151 } 152 153 if (connector->display_info.is_hdmi) { 154 /* hdmi deep color only implemented on DCE4+ */ 155 if ((bpc > 8) && !ASIC_IS_DCE4(rdev)) { 156 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 8 bpc.\n", 157 connector->name, bpc); 158 bpc = 8; 159 } 160 161 /* 162 * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make 163 * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at 164 * 12 bpc is always supported on hdmi deep color sinks, as this is 165 * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum. 166 */ 167 if (bpc > 12) { 168 DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n", 169 connector->name, bpc); 170 bpc = 12; 171 } 172 173 /* Any defined maximum tmds clock limit we must not exceed? */ 174 if (connector->display_info.max_tmds_clock > 0) { 175 /* mode_clock is clock in kHz for mode to be modeset on this connector */ 176 mode_clock = radeon_connector->pixelclock_for_modeset; 177 178 /* Maximum allowable input clock in kHz */ 179 max_tmds_clock = connector->display_info.max_tmds_clock; 180 181 DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n", 182 connector->name, mode_clock, max_tmds_clock); 183 184 /* Check if bpc is within clock limit. Try to degrade gracefully otherwise */ 185 if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) { 186 if ((connector->display_info.edid_hdmi_rgb444_dc_modes & DRM_EDID_HDMI_DC_30) && 187 (mode_clock * 5/4 <= max_tmds_clock)) 188 bpc = 10; 189 else 190 bpc = 8; 191 192 DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n", 193 connector->name, bpc); 194 } 195 196 if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) { 197 bpc = 8; 198 DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n", 199 connector->name, bpc); 200 } 201 } else if (bpc > 8) { 202 /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */ 203 DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n", 204 connector->name); 205 bpc = 8; 206 } 207 } 208 209 if ((radeon_deep_color == 0) && (bpc > 8)) { 210 DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n", 211 connector->name); 212 bpc = 8; 213 } 214 215 DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n", 216 connector->name, connector->display_info.bpc, bpc); 217 218 return bpc; 219 } 220 221 static void 222 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status) 223 { 224 struct drm_device *dev = connector->dev; 225 struct radeon_device *rdev = dev->dev_private; 226 struct drm_encoder *best_encoder; 227 struct drm_encoder *encoder; 228 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 229 bool connected; 230 231 best_encoder = connector_funcs->best_encoder(connector); 232 233 drm_connector_for_each_possible_encoder(connector, encoder) { 234 if ((encoder == best_encoder) && (status == connector_status_connected)) 235 connected = true; 236 else 237 connected = false; 238 239 if (rdev->is_atom_bios) 240 radeon_atombios_connected_scratch_regs(connector, encoder, connected); 241 else 242 radeon_combios_connected_scratch_regs(connector, encoder, connected); 243 } 244 } 245 246 static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type) 247 { 248 struct drm_encoder *encoder; 249 250 drm_connector_for_each_possible_encoder(connector, encoder) { 251 if (encoder->encoder_type == encoder_type) 252 return encoder; 253 } 254 255 return NULL; 256 } 257 258 static void radeon_connector_get_edid(struct drm_connector *connector) 259 { 260 struct drm_device *dev = connector->dev; 261 struct radeon_device *rdev = dev->dev_private; 262 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 263 264 if (radeon_connector->edid) 265 return; 266 267 /* on hw with routers, select right port */ 268 if (radeon_connector->router.ddc_valid) 269 radeon_router_select_ddc_port(radeon_connector); 270 271 if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 272 ENCODER_OBJECT_ID_NONE) && 273 radeon_connector->ddc_bus->has_aux) { 274 radeon_connector->edid = drm_get_edid(connector, 275 &radeon_connector->ddc_bus->aux.ddc); 276 } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) || 277 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) { 278 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv; 279 280 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT || 281 dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) && 282 radeon_connector->ddc_bus->has_aux) 283 radeon_connector->edid = drm_get_edid(&radeon_connector->base, 284 &radeon_connector->ddc_bus->aux.ddc); 285 else if (radeon_connector->ddc_bus) 286 radeon_connector->edid = drm_get_edid(&radeon_connector->base, 287 &radeon_connector->ddc_bus->adapter); 288 } else if (vga_switcheroo_handler_flags() & VGA_SWITCHEROO_CAN_SWITCH_DDC && 289 connector->connector_type == DRM_MODE_CONNECTOR_LVDS && 290 radeon_connector->ddc_bus) { 291 radeon_connector->edid = drm_get_edid_switcheroo(&radeon_connector->base, 292 &radeon_connector->ddc_bus->adapter); 293 } else if (radeon_connector->ddc_bus) { 294 radeon_connector->edid = drm_get_edid(&radeon_connector->base, 295 &radeon_connector->ddc_bus->adapter); 296 } 297 298 if (!radeon_connector->edid) { 299 /* don't fetch the edid from the vbios if ddc fails and runpm is 300 * enabled so we report disconnected. 301 */ 302 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0)) 303 return; 304 305 if (rdev->is_atom_bios) { 306 /* some laptops provide a hardcoded edid in rom for LCDs */ 307 if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) || 308 (connector->connector_type == DRM_MODE_CONNECTOR_eDP))) 309 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev); 310 } else { 311 /* some servers provide a hardcoded edid in rom for KVMs */ 312 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev); 313 } 314 } 315 } 316 317 static void radeon_connector_free_edid(struct drm_connector *connector) 318 { 319 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 320 321 kfree(radeon_connector->edid); 322 radeon_connector->edid = NULL; 323 } 324 325 static int radeon_ddc_get_modes(struct drm_connector *connector) 326 { 327 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 328 int ret; 329 330 if (radeon_connector->edid) { 331 drm_connector_update_edid_property(connector, radeon_connector->edid); 332 ret = drm_add_edid_modes(connector, radeon_connector->edid); 333 return ret; 334 } 335 drm_connector_update_edid_property(connector, NULL); 336 return 0; 337 } 338 339 static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector) 340 { 341 struct drm_encoder *encoder; 342 343 /* pick the first one */ 344 drm_connector_for_each_possible_encoder(connector, encoder) 345 return encoder; 346 347 return NULL; 348 } 349 350 static void radeon_get_native_mode(struct drm_connector *connector) 351 { 352 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 353 struct radeon_encoder *radeon_encoder; 354 355 if (encoder == NULL) 356 return; 357 358 radeon_encoder = to_radeon_encoder(encoder); 359 360 if (!list_empty(&connector->probed_modes)) { 361 struct drm_display_mode *preferred_mode = 362 list_first_entry(&connector->probed_modes, 363 struct drm_display_mode, head); 364 365 radeon_encoder->native_mode = *preferred_mode; 366 } else { 367 radeon_encoder->native_mode.clock = 0; 368 } 369 } 370 371 /* 372 * radeon_connector_analog_encoder_conflict_solve 373 * - search for other connectors sharing this encoder 374 * if priority is true, then set them disconnected if this is connected 375 * if priority is false, set us disconnected if they are connected 376 */ 377 static enum drm_connector_status 378 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector, 379 struct drm_encoder *encoder, 380 enum drm_connector_status current_status, 381 bool priority) 382 { 383 struct drm_device *dev = connector->dev; 384 struct drm_connector *conflict; 385 struct radeon_connector *radeon_conflict; 386 387 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) { 388 struct drm_encoder *enc; 389 390 if (conflict == connector) 391 continue; 392 393 radeon_conflict = to_radeon_connector(conflict); 394 395 drm_connector_for_each_possible_encoder(conflict, enc) { 396 /* if the IDs match */ 397 if (enc == encoder) { 398 if (conflict->status != connector_status_connected) 399 continue; 400 401 if (radeon_conflict->use_digital) 402 continue; 403 404 if (priority) { 405 DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", 406 conflict->name); 407 DRM_DEBUG_KMS("in favor of %s\n", 408 connector->name); 409 conflict->status = connector_status_disconnected; 410 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected); 411 } else { 412 DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", 413 connector->name); 414 DRM_DEBUG_KMS("in favor of %s\n", 415 conflict->name); 416 current_status = connector_status_disconnected; 417 } 418 break; 419 } 420 } 421 } 422 return current_status; 423 424 } 425 426 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder) 427 { 428 struct drm_device *dev = encoder->dev; 429 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 430 struct drm_display_mode *mode = NULL; 431 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 432 433 if (native_mode->hdisplay != 0 && 434 native_mode->vdisplay != 0 && 435 native_mode->clock != 0) { 436 mode = drm_mode_duplicate(dev, native_mode); 437 if (!mode) 438 return NULL; 439 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; 440 drm_mode_set_name(mode); 441 442 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name); 443 } else if (native_mode->hdisplay != 0 && 444 native_mode->vdisplay != 0) { 445 /* mac laptops without an edid */ 446 /* Note that this is not necessarily the exact panel mode, 447 * but an approximation based on the cvt formula. For these 448 * systems we should ideally read the mode info out of the 449 * registers or add a mode table, but this works and is much 450 * simpler. 451 */ 452 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false); 453 if (!mode) 454 return NULL; 455 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; 456 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name); 457 } 458 return mode; 459 } 460 461 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector) 462 { 463 struct drm_device *dev = encoder->dev; 464 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 465 struct drm_display_mode *mode = NULL; 466 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 467 int i; 468 struct mode_size { 469 int w; 470 int h; 471 } common_modes[17] = { 472 { 640, 480}, 473 { 720, 480}, 474 { 800, 600}, 475 { 848, 480}, 476 {1024, 768}, 477 {1152, 768}, 478 {1280, 720}, 479 {1280, 800}, 480 {1280, 854}, 481 {1280, 960}, 482 {1280, 1024}, 483 {1440, 900}, 484 {1400, 1050}, 485 {1680, 1050}, 486 {1600, 1200}, 487 {1920, 1080}, 488 {1920, 1200} 489 }; 490 491 for (i = 0; i < 17; i++) { 492 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) { 493 if (common_modes[i].w > 1024 || 494 common_modes[i].h > 768) 495 continue; 496 } 497 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { 498 if (common_modes[i].w > native_mode->hdisplay || 499 common_modes[i].h > native_mode->vdisplay || 500 (common_modes[i].w == native_mode->hdisplay && 501 common_modes[i].h == native_mode->vdisplay)) 502 continue; 503 } 504 if (common_modes[i].w < 320 || common_modes[i].h < 200) 505 continue; 506 507 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false); 508 if (!mode) 509 continue; 510 511 drm_mode_probed_add(connector, mode); 512 } 513 } 514 515 static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property, 516 uint64_t val) 517 { 518 struct drm_device *dev = connector->dev; 519 struct radeon_device *rdev = dev->dev_private; 520 struct drm_encoder *encoder; 521 struct radeon_encoder *radeon_encoder; 522 523 if (property == rdev->mode_info.coherent_mode_property) { 524 struct radeon_encoder_atom_dig *dig; 525 bool new_coherent_mode; 526 527 /* need to find digital encoder on connector */ 528 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 529 if (!encoder) 530 return 0; 531 532 radeon_encoder = to_radeon_encoder(encoder); 533 534 if (!radeon_encoder->enc_priv) 535 return 0; 536 537 dig = radeon_encoder->enc_priv; 538 new_coherent_mode = val ? true : false; 539 if (dig->coherent_mode != new_coherent_mode) { 540 dig->coherent_mode = new_coherent_mode; 541 radeon_property_change_mode(&radeon_encoder->base); 542 } 543 } 544 545 if (property == rdev->mode_info.audio_property) { 546 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 547 /* need to find digital encoder on connector */ 548 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 549 if (!encoder) 550 return 0; 551 552 radeon_encoder = to_radeon_encoder(encoder); 553 554 if (radeon_connector->audio != val) { 555 radeon_connector->audio = val; 556 radeon_property_change_mode(&radeon_encoder->base); 557 } 558 } 559 560 if (property == rdev->mode_info.dither_property) { 561 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 562 /* need to find digital encoder on connector */ 563 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 564 if (!encoder) 565 return 0; 566 567 radeon_encoder = to_radeon_encoder(encoder); 568 569 if (radeon_connector->dither != val) { 570 radeon_connector->dither = val; 571 radeon_property_change_mode(&radeon_encoder->base); 572 } 573 } 574 575 if (property == rdev->mode_info.underscan_property) { 576 /* need to find digital encoder on connector */ 577 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 578 if (!encoder) 579 return 0; 580 581 radeon_encoder = to_radeon_encoder(encoder); 582 583 if (radeon_encoder->underscan_type != val) { 584 radeon_encoder->underscan_type = val; 585 radeon_property_change_mode(&radeon_encoder->base); 586 } 587 } 588 589 if (property == rdev->mode_info.underscan_hborder_property) { 590 /* need to find digital encoder on connector */ 591 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 592 if (!encoder) 593 return 0; 594 595 radeon_encoder = to_radeon_encoder(encoder); 596 597 if (radeon_encoder->underscan_hborder != val) { 598 radeon_encoder->underscan_hborder = val; 599 radeon_property_change_mode(&radeon_encoder->base); 600 } 601 } 602 603 if (property == rdev->mode_info.underscan_vborder_property) { 604 /* need to find digital encoder on connector */ 605 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 606 if (!encoder) 607 return 0; 608 609 radeon_encoder = to_radeon_encoder(encoder); 610 611 if (radeon_encoder->underscan_vborder != val) { 612 radeon_encoder->underscan_vborder = val; 613 radeon_property_change_mode(&radeon_encoder->base); 614 } 615 } 616 617 if (property == rdev->mode_info.tv_std_property) { 618 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC); 619 if (!encoder) { 620 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC); 621 } 622 623 if (!encoder) 624 return 0; 625 626 radeon_encoder = to_radeon_encoder(encoder); 627 if (!radeon_encoder->enc_priv) 628 return 0; 629 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) { 630 struct radeon_encoder_atom_dac *dac_int; 631 dac_int = radeon_encoder->enc_priv; 632 dac_int->tv_std = val; 633 } else { 634 struct radeon_encoder_tv_dac *dac_int; 635 dac_int = radeon_encoder->enc_priv; 636 dac_int->tv_std = val; 637 } 638 radeon_property_change_mode(&radeon_encoder->base); 639 } 640 641 if (property == rdev->mode_info.load_detect_property) { 642 struct radeon_connector *radeon_connector = 643 to_radeon_connector(connector); 644 645 if (val == 0) 646 radeon_connector->dac_load_detect = false; 647 else 648 radeon_connector->dac_load_detect = true; 649 } 650 651 if (property == rdev->mode_info.tmds_pll_property) { 652 struct radeon_encoder_int_tmds *tmds = NULL; 653 bool ret = false; 654 /* need to find digital encoder on connector */ 655 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); 656 if (!encoder) 657 return 0; 658 659 radeon_encoder = to_radeon_encoder(encoder); 660 661 tmds = radeon_encoder->enc_priv; 662 if (!tmds) 663 return 0; 664 665 if (val == 0) { 666 if (rdev->is_atom_bios) 667 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds); 668 else 669 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds); 670 } 671 if (val == 1 || !ret) 672 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds); 673 674 radeon_property_change_mode(&radeon_encoder->base); 675 } 676 677 if (property == dev->mode_config.scaling_mode_property) { 678 enum radeon_rmx_type rmx_type; 679 680 if (connector->encoder) 681 radeon_encoder = to_radeon_encoder(connector->encoder); 682 else { 683 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 684 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); 685 } 686 687 switch (val) { 688 default: 689 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break; 690 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break; 691 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break; 692 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break; 693 } 694 if (radeon_encoder->rmx_type == rmx_type) 695 return 0; 696 697 if ((rmx_type != DRM_MODE_SCALE_NONE) && 698 (radeon_encoder->native_mode.clock == 0)) 699 return 0; 700 701 radeon_encoder->rmx_type = rmx_type; 702 703 radeon_property_change_mode(&radeon_encoder->base); 704 } 705 706 if (property == rdev->mode_info.output_csc_property) { 707 if (connector->encoder) 708 radeon_encoder = to_radeon_encoder(connector->encoder); 709 else { 710 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 711 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); 712 } 713 714 if (radeon_encoder->output_csc == val) 715 return 0; 716 717 radeon_encoder->output_csc = val; 718 719 if (connector->encoder && connector->encoder->crtc) { 720 struct drm_crtc *crtc = connector->encoder->crtc; 721 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 722 723 radeon_crtc->output_csc = radeon_encoder->output_csc; 724 725 /* 726 * Our .gamma_set assumes the .gamma_store has been 727 * prefilled and don't care about its arguments. 728 */ 729 crtc->funcs->gamma_set(crtc, NULL, NULL, NULL, 0, NULL); 730 } 731 } 732 733 return 0; 734 } 735 736 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder, 737 struct drm_connector *connector) 738 { 739 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 740 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 741 struct drm_display_mode *t, *mode; 742 743 /* If the EDID preferred mode doesn't match the native mode, use it */ 744 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) { 745 if (mode->type & DRM_MODE_TYPE_PREFERRED) { 746 if (mode->hdisplay != native_mode->hdisplay || 747 mode->vdisplay != native_mode->vdisplay) 748 drm_mode_copy(native_mode, mode); 749 } 750 } 751 752 /* Try to get native mode details from EDID if necessary */ 753 if (!native_mode->clock) { 754 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) { 755 if (mode->hdisplay == native_mode->hdisplay && 756 mode->vdisplay == native_mode->vdisplay) { 757 drm_mode_copy(native_mode, mode); 758 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V); 759 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n"); 760 break; 761 } 762 } 763 } 764 765 if (!native_mode->clock) { 766 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n"); 767 radeon_encoder->rmx_type = RMX_OFF; 768 } 769 } 770 771 static int radeon_lvds_get_modes(struct drm_connector *connector) 772 { 773 struct drm_encoder *encoder; 774 int ret = 0; 775 struct drm_display_mode *mode; 776 777 radeon_connector_get_edid(connector); 778 ret = radeon_ddc_get_modes(connector); 779 if (ret > 0) { 780 encoder = radeon_best_single_encoder(connector); 781 if (encoder) { 782 radeon_fixup_lvds_native_mode(encoder, connector); 783 /* add scaled modes */ 784 radeon_add_common_modes(encoder, connector); 785 } 786 return ret; 787 } 788 789 encoder = radeon_best_single_encoder(connector); 790 if (!encoder) 791 return 0; 792 793 /* we have no EDID modes */ 794 mode = radeon_fp_native_mode(encoder); 795 if (mode) { 796 ret = 1; 797 drm_mode_probed_add(connector, mode); 798 /* add the width/height from vbios tables if available */ 799 connector->display_info.width_mm = mode->width_mm; 800 connector->display_info.height_mm = mode->height_mm; 801 /* add scaled modes */ 802 radeon_add_common_modes(encoder, connector); 803 } 804 805 return ret; 806 } 807 808 static enum drm_mode_status radeon_lvds_mode_valid(struct drm_connector *connector, 809 const struct drm_display_mode *mode) 810 { 811 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 812 813 if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) 814 return MODE_PANEL; 815 816 if (encoder) { 817 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 818 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 819 820 /* AVIVO hardware supports downscaling modes larger than the panel 821 * to the panel size, but I'm not sure this is desirable. 822 */ 823 if ((mode->hdisplay > native_mode->hdisplay) || 824 (mode->vdisplay > native_mode->vdisplay)) 825 return MODE_PANEL; 826 827 /* if scaling is disabled, block non-native modes */ 828 if (radeon_encoder->rmx_type == RMX_OFF) { 829 if ((mode->hdisplay != native_mode->hdisplay) || 830 (mode->vdisplay != native_mode->vdisplay)) 831 return MODE_PANEL; 832 } 833 } 834 835 return MODE_OK; 836 } 837 838 static enum drm_connector_status 839 radeon_lvds_detect(struct drm_connector *connector, bool force) 840 { 841 struct drm_device *dev = connector->dev; 842 struct radeon_device *rdev = dev->dev_private; 843 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 844 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 845 enum drm_connector_status ret = connector_status_disconnected; 846 int r; 847 848 if (!drm_kms_helper_is_poll_worker()) { 849 r = pm_runtime_get_sync(connector->dev->dev); 850 if (r < 0) { 851 pm_runtime_put_autosuspend(connector->dev->dev); 852 return connector_status_disconnected; 853 } 854 } 855 856 if (encoder) { 857 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 858 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 859 860 /* check if panel is valid */ 861 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240) 862 ret = connector_status_connected; 863 /* don't fetch the edid from the vbios if ddc fails and runpm is 864 * enabled so we report disconnected. 865 */ 866 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0)) 867 ret = connector_status_disconnected; 868 } 869 870 /* check for edid as well */ 871 radeon_connector_get_edid(connector); 872 if (radeon_connector->edid) 873 ret = connector_status_connected; 874 /* check acpi lid status ??? */ 875 876 radeon_connector_update_scratch_regs(connector, ret); 877 878 if (!drm_kms_helper_is_poll_worker()) 879 pm_runtime_put_autosuspend(connector->dev->dev); 880 881 return ret; 882 } 883 884 static void radeon_connector_unregister(struct drm_connector *connector) 885 { 886 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 887 888 if (radeon_connector->ddc_bus && radeon_connector->ddc_bus->has_aux) { 889 drm_dp_aux_unregister(&radeon_connector->ddc_bus->aux); 890 radeon_connector->ddc_bus->has_aux = false; 891 } 892 } 893 894 static void radeon_connector_destroy(struct drm_connector *connector) 895 { 896 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 897 898 radeon_connector_free_edid(connector); 899 kfree(radeon_connector->con_priv); 900 drm_connector_unregister(connector); 901 drm_connector_cleanup(connector); 902 kfree(connector); 903 } 904 905 static int radeon_lvds_set_property(struct drm_connector *connector, 906 struct drm_property *property, 907 uint64_t value) 908 { 909 struct drm_device *dev = connector->dev; 910 struct radeon_encoder *radeon_encoder; 911 enum radeon_rmx_type rmx_type; 912 913 DRM_DEBUG_KMS("\n"); 914 if (property != dev->mode_config.scaling_mode_property) 915 return 0; 916 917 if (connector->encoder) 918 radeon_encoder = to_radeon_encoder(connector->encoder); 919 else { 920 const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; 921 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); 922 } 923 924 switch (value) { 925 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break; 926 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break; 927 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break; 928 default: 929 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break; 930 } 931 if (radeon_encoder->rmx_type == rmx_type) 932 return 0; 933 934 radeon_encoder->rmx_type = rmx_type; 935 936 radeon_property_change_mode(&radeon_encoder->base); 937 return 0; 938 } 939 940 941 static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = { 942 .get_modes = radeon_lvds_get_modes, 943 .mode_valid = radeon_lvds_mode_valid, 944 .best_encoder = radeon_best_single_encoder, 945 }; 946 947 static const struct drm_connector_funcs radeon_lvds_connector_funcs = { 948 .dpms = drm_helper_connector_dpms, 949 .detect = radeon_lvds_detect, 950 .fill_modes = drm_helper_probe_single_connector_modes, 951 .early_unregister = radeon_connector_unregister, 952 .destroy = radeon_connector_destroy, 953 .set_property = radeon_lvds_set_property, 954 }; 955 956 static int radeon_vga_get_modes(struct drm_connector *connector) 957 { 958 int ret; 959 960 radeon_connector_get_edid(connector); 961 ret = radeon_ddc_get_modes(connector); 962 963 radeon_get_native_mode(connector); 964 965 return ret; 966 } 967 968 static enum drm_mode_status radeon_vga_mode_valid(struct drm_connector *connector, 969 const struct drm_display_mode *mode) 970 { 971 struct drm_device *dev = connector->dev; 972 struct radeon_device *rdev = dev->dev_private; 973 974 /* XXX check mode bandwidth */ 975 976 if ((mode->clock / 10) > rdev->clock.max_pixel_clock) 977 return MODE_CLOCK_HIGH; 978 979 return MODE_OK; 980 } 981 982 static enum drm_connector_status 983 radeon_vga_detect(struct drm_connector *connector, bool force) 984 { 985 struct drm_device *dev = connector->dev; 986 struct radeon_device *rdev = dev->dev_private; 987 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 988 struct drm_encoder *encoder; 989 const struct drm_encoder_helper_funcs *encoder_funcs; 990 bool dret = false; 991 enum drm_connector_status ret = connector_status_disconnected; 992 int r; 993 994 if (!drm_kms_helper_is_poll_worker()) { 995 r = pm_runtime_get_sync(connector->dev->dev); 996 if (r < 0) { 997 pm_runtime_put_autosuspend(connector->dev->dev); 998 return connector_status_disconnected; 999 } 1000 } 1001 1002 encoder = radeon_best_single_encoder(connector); 1003 if (!encoder) 1004 ret = connector_status_disconnected; 1005 1006 if (radeon_connector->ddc_bus) 1007 dret = radeon_ddc_probe(radeon_connector, false); 1008 if (dret) { 1009 radeon_connector->detected_by_load = false; 1010 radeon_connector_free_edid(connector); 1011 radeon_connector_get_edid(connector); 1012 1013 if (!radeon_connector->edid) { 1014 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n", 1015 connector->name); 1016 ret = connector_status_connected; 1017 } else { 1018 radeon_connector->use_digital = 1019 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL); 1020 1021 /* some oems have boards with separate digital and analog connectors 1022 * with a shared ddc line (often vga + hdmi) 1023 */ 1024 if (radeon_connector->use_digital && radeon_connector->shared_ddc) { 1025 radeon_connector_free_edid(connector); 1026 ret = connector_status_disconnected; 1027 } else { 1028 ret = connector_status_connected; 1029 } 1030 } 1031 } else { 1032 1033 /* if we aren't forcing don't do destructive polling */ 1034 if (!force) { 1035 /* only return the previous status if we last 1036 * detected a monitor via load. 1037 */ 1038 if (radeon_connector->detected_by_load) 1039 ret = connector->status; 1040 goto out; 1041 } 1042 1043 if (radeon_connector->dac_load_detect && encoder) { 1044 encoder_funcs = encoder->helper_private; 1045 ret = encoder_funcs->detect(encoder, connector); 1046 if (ret != connector_status_disconnected) 1047 radeon_connector->detected_by_load = true; 1048 } 1049 } 1050 1051 if (ret == connector_status_connected) 1052 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true); 1053 1054 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the 1055 * vbios to deal with KVMs. If we have one and are not able to detect a monitor 1056 * by other means, assume the CRT is connected and use that EDID. 1057 */ 1058 if ((!rdev->is_atom_bios) && 1059 (ret == connector_status_disconnected) && 1060 rdev->mode_info.bios_hardcoded_edid) { 1061 ret = connector_status_connected; 1062 } 1063 1064 radeon_connector_update_scratch_regs(connector, ret); 1065 1066 out: 1067 if (!drm_kms_helper_is_poll_worker()) 1068 pm_runtime_put_autosuspend(connector->dev->dev); 1069 1070 return ret; 1071 } 1072 1073 static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = { 1074 .get_modes = radeon_vga_get_modes, 1075 .mode_valid = radeon_vga_mode_valid, 1076 .best_encoder = radeon_best_single_encoder, 1077 }; 1078 1079 static const struct drm_connector_funcs radeon_vga_connector_funcs = { 1080 .dpms = drm_helper_connector_dpms, 1081 .detect = radeon_vga_detect, 1082 .fill_modes = drm_helper_probe_single_connector_modes, 1083 .early_unregister = radeon_connector_unregister, 1084 .destroy = radeon_connector_destroy, 1085 .set_property = radeon_connector_set_property, 1086 }; 1087 1088 static int radeon_tv_get_modes(struct drm_connector *connector) 1089 { 1090 struct drm_device *dev = connector->dev; 1091 struct radeon_device *rdev = dev->dev_private; 1092 struct drm_display_mode *tv_mode; 1093 struct drm_encoder *encoder; 1094 1095 encoder = radeon_best_single_encoder(connector); 1096 if (!encoder) 1097 return 0; 1098 1099 /* avivo chips can scale any mode */ 1100 if (rdev->family >= CHIP_RS600) 1101 /* add scaled modes */ 1102 radeon_add_common_modes(encoder, connector); 1103 else { 1104 /* only 800x600 is supported right now on pre-avivo chips */ 1105 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false); 1106 if (!tv_mode) 1107 return 0; 1108 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; 1109 drm_mode_probed_add(connector, tv_mode); 1110 } 1111 return 1; 1112 } 1113 1114 static enum drm_mode_status radeon_tv_mode_valid(struct drm_connector *connector, 1115 const struct drm_display_mode *mode) 1116 { 1117 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768)) 1118 return MODE_CLOCK_RANGE; 1119 return MODE_OK; 1120 } 1121 1122 static enum drm_connector_status 1123 radeon_tv_detect(struct drm_connector *connector, bool force) 1124 { 1125 struct drm_encoder *encoder; 1126 const struct drm_encoder_helper_funcs *encoder_funcs; 1127 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1128 enum drm_connector_status ret = connector_status_disconnected; 1129 int r; 1130 1131 if (!radeon_connector->dac_load_detect) 1132 return ret; 1133 1134 if (!drm_kms_helper_is_poll_worker()) { 1135 r = pm_runtime_get_sync(connector->dev->dev); 1136 if (r < 0) { 1137 pm_runtime_put_autosuspend(connector->dev->dev); 1138 return connector_status_disconnected; 1139 } 1140 } 1141 1142 encoder = radeon_best_single_encoder(connector); 1143 if (!encoder) 1144 ret = connector_status_disconnected; 1145 else { 1146 encoder_funcs = encoder->helper_private; 1147 ret = encoder_funcs->detect(encoder, connector); 1148 } 1149 if (ret == connector_status_connected) 1150 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false); 1151 radeon_connector_update_scratch_regs(connector, ret); 1152 1153 if (!drm_kms_helper_is_poll_worker()) 1154 pm_runtime_put_autosuspend(connector->dev->dev); 1155 1156 return ret; 1157 } 1158 1159 static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = { 1160 .get_modes = radeon_tv_get_modes, 1161 .mode_valid = radeon_tv_mode_valid, 1162 .best_encoder = radeon_best_single_encoder, 1163 }; 1164 1165 static const struct drm_connector_funcs radeon_tv_connector_funcs = { 1166 .dpms = drm_helper_connector_dpms, 1167 .detect = radeon_tv_detect, 1168 .fill_modes = drm_helper_probe_single_connector_modes, 1169 .early_unregister = radeon_connector_unregister, 1170 .destroy = radeon_connector_destroy, 1171 .set_property = radeon_connector_set_property, 1172 }; 1173 1174 static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector) 1175 { 1176 struct drm_device *dev = connector->dev; 1177 struct radeon_device *rdev = dev->dev_private; 1178 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1179 enum drm_connector_status status; 1180 1181 /* We only trust HPD on R600 and newer ASICS. */ 1182 if (rdev->family >= CHIP_R600 1183 && radeon_connector->hpd.hpd != RADEON_HPD_NONE) { 1184 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) 1185 status = connector_status_connected; 1186 else 1187 status = connector_status_disconnected; 1188 if (connector->status == status) 1189 return true; 1190 } 1191 1192 return false; 1193 } 1194 1195 /* 1196 * DVI is complicated 1197 * Do a DDC probe, if DDC probe passes, get the full EDID so 1198 * we can do analog/digital monitor detection at this point. 1199 * If the monitor is an analog monitor or we got no DDC, 1200 * we need to find the DAC encoder object for this connector. 1201 * If we got no DDC, we do load detection on the DAC encoder object. 1202 * If we got analog DDC or load detection passes on the DAC encoder 1203 * we have to check if this analog encoder is shared with anyone else (TV) 1204 * if its shared we have to set the other connector to disconnected. 1205 */ 1206 static enum drm_connector_status 1207 radeon_dvi_detect(struct drm_connector *connector, bool force) 1208 { 1209 struct drm_device *dev = connector->dev; 1210 struct radeon_device *rdev = dev->dev_private; 1211 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1212 struct drm_encoder *encoder = NULL; 1213 const struct drm_encoder_helper_funcs *encoder_funcs; 1214 int r; 1215 enum drm_connector_status ret = connector_status_disconnected; 1216 bool dret = false, broken_edid = false; 1217 1218 if (!drm_kms_helper_is_poll_worker()) { 1219 r = pm_runtime_get_sync(connector->dev->dev); 1220 if (r < 0) { 1221 pm_runtime_put_autosuspend(connector->dev->dev); 1222 return connector_status_disconnected; 1223 } 1224 } 1225 1226 if (radeon_connector->detected_hpd_without_ddc) { 1227 force = true; 1228 radeon_connector->detected_hpd_without_ddc = false; 1229 } 1230 1231 if (!force && radeon_check_hpd_status_unchanged(connector)) { 1232 ret = connector->status; 1233 goto exit; 1234 } 1235 1236 if (radeon_connector->ddc_bus) { 1237 dret = radeon_ddc_probe(radeon_connector, false); 1238 1239 /* Sometimes the pins required for the DDC probe on DVI 1240 * connectors don't make contact at the same time that the ones 1241 * for HPD do. If the DDC probe fails even though we had an HPD 1242 * signal, try again later */ 1243 if (!dret && !force && 1244 connector->status != connector_status_connected) { 1245 DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n"); 1246 radeon_connector->detected_hpd_without_ddc = true; 1247 schedule_delayed_work(&rdev->hotplug_work, 1248 msecs_to_jiffies(1000)); 1249 goto exit; 1250 } 1251 } 1252 if (dret) { 1253 radeon_connector->detected_by_load = false; 1254 radeon_connector_free_edid(connector); 1255 radeon_connector_get_edid(connector); 1256 1257 if (!radeon_connector->edid) { 1258 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n", 1259 connector->name); 1260 /* rs690 seems to have a problem with connectors not existing and always 1261 * return a block of 0's. If we see this just stop polling on this output */ 1262 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && 1263 radeon_connector->base.null_edid_counter) { 1264 ret = connector_status_disconnected; 1265 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", 1266 connector->name); 1267 radeon_connector->ddc_bus = NULL; 1268 } else { 1269 ret = connector_status_connected; 1270 broken_edid = true; /* defer use_digital to later */ 1271 } 1272 } else { 1273 radeon_connector->use_digital = 1274 !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL); 1275 1276 /* some oems have boards with separate digital and analog connectors 1277 * with a shared ddc line (often vga + hdmi) 1278 */ 1279 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) { 1280 radeon_connector_free_edid(connector); 1281 ret = connector_status_disconnected; 1282 } else { 1283 ret = connector_status_connected; 1284 } 1285 /* This gets complicated. We have boards with VGA + HDMI with a 1286 * shared DDC line and we have boards with DVI-D + HDMI with a shared 1287 * DDC line. The latter is more complex because with DVI<->HDMI adapters 1288 * you don't really know what's connected to which port as both are digital. 1289 */ 1290 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) { 1291 struct drm_connector *list_connector; 1292 struct radeon_connector *list_radeon_connector; 1293 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) { 1294 if (connector == list_connector) 1295 continue; 1296 list_radeon_connector = to_radeon_connector(list_connector); 1297 if (list_radeon_connector->shared_ddc && 1298 (list_radeon_connector->ddc_bus->rec.i2c_id == 1299 radeon_connector->ddc_bus->rec.i2c_id)) { 1300 /* cases where both connectors are digital */ 1301 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) { 1302 /* hpd is our only option in this case */ 1303 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { 1304 radeon_connector_free_edid(connector); 1305 ret = connector_status_disconnected; 1306 } 1307 } 1308 } 1309 } 1310 } 1311 } 1312 } 1313 1314 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true)) 1315 goto out; 1316 1317 /* DVI-D and HDMI-A are digital only */ 1318 if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) || 1319 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA)) 1320 goto out; 1321 1322 /* if we aren't forcing don't do destructive polling */ 1323 if (!force) { 1324 /* only return the previous status if we last 1325 * detected a monitor via load. 1326 */ 1327 if (radeon_connector->detected_by_load) 1328 ret = connector->status; 1329 goto out; 1330 } 1331 1332 /* find analog encoder */ 1333 if (radeon_connector->dac_load_detect) { 1334 drm_connector_for_each_possible_encoder(connector, encoder) { 1335 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC && 1336 encoder->encoder_type != DRM_MODE_ENCODER_TVDAC) 1337 continue; 1338 1339 encoder_funcs = encoder->helper_private; 1340 if (encoder_funcs->detect) { 1341 if (!broken_edid) { 1342 if (ret != connector_status_connected) { 1343 /* deal with analog monitors without DDC */ 1344 ret = encoder_funcs->detect(encoder, connector); 1345 if (ret == connector_status_connected) { 1346 radeon_connector->use_digital = false; 1347 } 1348 if (ret != connector_status_disconnected) 1349 radeon_connector->detected_by_load = true; 1350 } 1351 } else { 1352 enum drm_connector_status lret; 1353 /* assume digital unless load detected otherwise */ 1354 radeon_connector->use_digital = true; 1355 lret = encoder_funcs->detect(encoder, connector); 1356 DRM_DEBUG_KMS("load_detect %x returned: %x\n", encoder->encoder_type, lret); 1357 if (lret == connector_status_connected) 1358 radeon_connector->use_digital = false; 1359 } 1360 break; 1361 } 1362 } 1363 } 1364 1365 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) && 1366 encoder) { 1367 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true); 1368 } 1369 1370 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the 1371 * vbios to deal with KVMs. If we have one and are not able to detect a monitor 1372 * by other means, assume the DFP is connected and use that EDID. In most 1373 * cases the DVI port is actually a virtual KVM port connected to the service 1374 * processor. 1375 */ 1376 out: 1377 if ((!rdev->is_atom_bios) && 1378 (ret == connector_status_disconnected) && 1379 rdev->mode_info.bios_hardcoded_edid) { 1380 radeon_connector->use_digital = true; 1381 ret = connector_status_connected; 1382 } 1383 1384 /* updated in get modes as well since we need to know if it's analog or digital */ 1385 radeon_connector_update_scratch_regs(connector, ret); 1386 1387 if ((radeon_audio != 0) && radeon_connector->use_digital) { 1388 const struct drm_connector_helper_funcs *connector_funcs = 1389 connector->helper_private; 1390 1391 encoder = connector_funcs->best_encoder(connector); 1392 if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) { 1393 radeon_connector_get_edid(connector); 1394 radeon_audio_detect(connector, encoder, ret); 1395 } 1396 } 1397 1398 exit: 1399 if (!drm_kms_helper_is_poll_worker()) 1400 pm_runtime_put_autosuspend(connector->dev->dev); 1401 1402 return ret; 1403 } 1404 1405 /* okay need to be smart in here about which encoder to pick */ 1406 static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector) 1407 { 1408 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1409 struct drm_encoder *encoder; 1410 1411 drm_connector_for_each_possible_encoder(connector, encoder) { 1412 if (radeon_connector->use_digital == true) { 1413 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS) 1414 return encoder; 1415 } else { 1416 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC || 1417 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC) 1418 return encoder; 1419 } 1420 } 1421 1422 /* see if we have a default encoder TODO */ 1423 1424 /* then check use digitial */ 1425 /* pick the first one */ 1426 drm_connector_for_each_possible_encoder(connector, encoder) 1427 return encoder; 1428 1429 return NULL; 1430 } 1431 1432 static void radeon_dvi_force(struct drm_connector *connector) 1433 { 1434 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1435 if (connector->force == DRM_FORCE_ON) 1436 radeon_connector->use_digital = false; 1437 if (connector->force == DRM_FORCE_ON_DIGITAL) 1438 radeon_connector->use_digital = true; 1439 } 1440 1441 static enum drm_mode_status radeon_dvi_mode_valid(struct drm_connector *connector, 1442 const struct drm_display_mode *mode) 1443 { 1444 struct drm_device *dev = connector->dev; 1445 struct radeon_device *rdev = dev->dev_private; 1446 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1447 1448 /* XXX check mode bandwidth */ 1449 1450 /* clocks over 135 MHz have heat issues with DVI on RV100 */ 1451 if (radeon_connector->use_digital && 1452 (rdev->family == CHIP_RV100) && 1453 (mode->clock > 135000)) 1454 return MODE_CLOCK_HIGH; 1455 1456 if (radeon_connector->use_digital && (mode->clock > 165000)) { 1457 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) || 1458 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) || 1459 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B)) 1460 return MODE_OK; 1461 else if (ASIC_IS_DCE6(rdev) && connector->display_info.is_hdmi) { 1462 /* HDMI 1.3+ supports max clock of 340 Mhz */ 1463 if (mode->clock > 340000) 1464 return MODE_CLOCK_HIGH; 1465 else 1466 return MODE_OK; 1467 } else { 1468 return MODE_CLOCK_HIGH; 1469 } 1470 } 1471 1472 /* check against the max pixel clock */ 1473 if ((mode->clock / 10) > rdev->clock.max_pixel_clock) 1474 return MODE_CLOCK_HIGH; 1475 1476 return MODE_OK; 1477 } 1478 1479 static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = { 1480 .get_modes = radeon_vga_get_modes, 1481 .mode_valid = radeon_dvi_mode_valid, 1482 .best_encoder = radeon_dvi_encoder, 1483 }; 1484 1485 static const struct drm_connector_funcs radeon_dvi_connector_funcs = { 1486 .dpms = drm_helper_connector_dpms, 1487 .detect = radeon_dvi_detect, 1488 .fill_modes = drm_helper_probe_single_connector_modes, 1489 .set_property = radeon_connector_set_property, 1490 .early_unregister = radeon_connector_unregister, 1491 .destroy = radeon_connector_destroy, 1492 .force = radeon_dvi_force, 1493 }; 1494 1495 static int radeon_dp_get_modes(struct drm_connector *connector) 1496 { 1497 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1498 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1499 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1500 int ret; 1501 1502 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1503 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1504 struct drm_display_mode *mode; 1505 1506 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { 1507 if (!radeon_dig_connector->edp_on) 1508 atombios_set_edp_panel_power(connector, 1509 ATOM_TRANSMITTER_ACTION_POWER_ON); 1510 radeon_connector_get_edid(connector); 1511 ret = radeon_ddc_get_modes(connector); 1512 if (!radeon_dig_connector->edp_on) 1513 atombios_set_edp_panel_power(connector, 1514 ATOM_TRANSMITTER_ACTION_POWER_OFF); 1515 } else { 1516 /* need to setup ddc on the bridge */ 1517 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1518 ENCODER_OBJECT_ID_NONE) { 1519 if (encoder) 1520 radeon_atom_ext_encoder_setup_ddc(encoder); 1521 } 1522 radeon_connector_get_edid(connector); 1523 ret = radeon_ddc_get_modes(connector); 1524 } 1525 1526 if (ret > 0) { 1527 if (encoder) { 1528 radeon_fixup_lvds_native_mode(encoder, connector); 1529 /* add scaled modes */ 1530 radeon_add_common_modes(encoder, connector); 1531 } 1532 return ret; 1533 } 1534 1535 if (!encoder) 1536 return 0; 1537 1538 /* we have no EDID modes */ 1539 mode = radeon_fp_native_mode(encoder); 1540 if (mode) { 1541 ret = 1; 1542 drm_mode_probed_add(connector, mode); 1543 /* add the width/height from vbios tables if available */ 1544 connector->display_info.width_mm = mode->width_mm; 1545 connector->display_info.height_mm = mode->height_mm; 1546 /* add scaled modes */ 1547 radeon_add_common_modes(encoder, connector); 1548 } 1549 } else { 1550 /* need to setup ddc on the bridge */ 1551 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1552 ENCODER_OBJECT_ID_NONE) { 1553 if (encoder) 1554 radeon_atom_ext_encoder_setup_ddc(encoder); 1555 } 1556 radeon_connector_get_edid(connector); 1557 ret = radeon_ddc_get_modes(connector); 1558 1559 radeon_get_native_mode(connector); 1560 } 1561 1562 return ret; 1563 } 1564 1565 u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector) 1566 { 1567 struct drm_encoder *encoder; 1568 struct radeon_encoder *radeon_encoder; 1569 1570 drm_connector_for_each_possible_encoder(connector, encoder) { 1571 radeon_encoder = to_radeon_encoder(encoder); 1572 1573 switch (radeon_encoder->encoder_id) { 1574 case ENCODER_OBJECT_ID_TRAVIS: 1575 case ENCODER_OBJECT_ID_NUTMEG: 1576 return radeon_encoder->encoder_id; 1577 default: 1578 break; 1579 } 1580 } 1581 1582 return ENCODER_OBJECT_ID_NONE; 1583 } 1584 1585 static bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector) 1586 { 1587 struct drm_encoder *encoder; 1588 struct radeon_encoder *radeon_encoder; 1589 bool found = false; 1590 1591 drm_connector_for_each_possible_encoder(connector, encoder) { 1592 radeon_encoder = to_radeon_encoder(encoder); 1593 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2) 1594 found = true; 1595 } 1596 1597 return found; 1598 } 1599 1600 bool radeon_connector_is_dp12_capable(struct drm_connector *connector) 1601 { 1602 struct drm_device *dev = connector->dev; 1603 struct radeon_device *rdev = dev->dev_private; 1604 1605 if (ASIC_IS_DCE5(rdev) && 1606 (rdev->clock.default_dispclk >= 53900) && 1607 radeon_connector_encoder_is_hbr2(connector)) { 1608 return true; 1609 } 1610 1611 return false; 1612 } 1613 1614 static enum drm_connector_status 1615 radeon_dp_detect(struct drm_connector *connector, bool force) 1616 { 1617 struct drm_device *dev = connector->dev; 1618 struct radeon_device *rdev = dev->dev_private; 1619 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1620 enum drm_connector_status ret = connector_status_disconnected; 1621 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1622 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1623 int r; 1624 1625 if (!drm_kms_helper_is_poll_worker()) { 1626 r = pm_runtime_get_sync(connector->dev->dev); 1627 if (r < 0) { 1628 pm_runtime_put_autosuspend(connector->dev->dev); 1629 return connector_status_disconnected; 1630 } 1631 } 1632 1633 if (!force && radeon_check_hpd_status_unchanged(connector)) { 1634 ret = connector->status; 1635 goto out; 1636 } 1637 1638 radeon_connector_free_edid(connector); 1639 1640 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1641 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1642 if (encoder) { 1643 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1644 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 1645 1646 /* check if panel is valid */ 1647 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240) 1648 ret = connector_status_connected; 1649 /* don't fetch the edid from the vbios if ddc fails and runpm is 1650 * enabled so we report disconnected. 1651 */ 1652 if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0)) 1653 ret = connector_status_disconnected; 1654 } 1655 /* eDP is always DP */ 1656 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; 1657 if (!radeon_dig_connector->edp_on) 1658 atombios_set_edp_panel_power(connector, 1659 ATOM_TRANSMITTER_ACTION_POWER_ON); 1660 if (radeon_dp_getdpcd(radeon_connector)) 1661 ret = connector_status_connected; 1662 if (!radeon_dig_connector->edp_on) 1663 atombios_set_edp_panel_power(connector, 1664 ATOM_TRANSMITTER_ACTION_POWER_OFF); 1665 } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != 1666 ENCODER_OBJECT_ID_NONE) { 1667 /* DP bridges are always DP */ 1668 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; 1669 /* get the DPCD from the bridge */ 1670 radeon_dp_getdpcd(radeon_connector); 1671 1672 if (encoder) { 1673 /* setup ddc on the bridge */ 1674 radeon_atom_ext_encoder_setup_ddc(encoder); 1675 /* bridge chips are always aux */ 1676 if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */ 1677 ret = connector_status_connected; 1678 else if (radeon_connector->dac_load_detect) { /* try load detection */ 1679 const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; 1680 ret = encoder_funcs->detect(encoder, connector); 1681 } 1682 } 1683 } else { 1684 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector); 1685 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { 1686 ret = connector_status_connected; 1687 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) 1688 radeon_dp_getdpcd(radeon_connector); 1689 } else { 1690 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) { 1691 if (radeon_dp_getdpcd(radeon_connector)) 1692 ret = connector_status_connected; 1693 } else { 1694 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */ 1695 if (radeon_ddc_probe(radeon_connector, false)) 1696 ret = connector_status_connected; 1697 } 1698 } 1699 } 1700 1701 radeon_connector_update_scratch_regs(connector, ret); 1702 1703 if ((radeon_audio != 0) && encoder) { 1704 radeon_connector_get_edid(connector); 1705 radeon_audio_detect(connector, encoder, ret); 1706 } 1707 1708 out: 1709 if (!drm_kms_helper_is_poll_worker()) 1710 pm_runtime_put_autosuspend(connector->dev->dev); 1711 1712 return ret; 1713 } 1714 1715 static enum drm_mode_status radeon_dp_mode_valid(struct drm_connector *connector, 1716 const struct drm_display_mode *mode) 1717 { 1718 struct drm_device *dev = connector->dev; 1719 struct radeon_device *rdev = dev->dev_private; 1720 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1721 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; 1722 1723 /* XXX check mode bandwidth */ 1724 1725 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || 1726 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { 1727 struct drm_encoder *encoder = radeon_best_single_encoder(connector); 1728 1729 if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) 1730 return MODE_PANEL; 1731 1732 if (encoder) { 1733 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1734 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 1735 1736 /* AVIVO hardware supports downscaling modes larger than the panel 1737 * to the panel size, but I'm not sure this is desirable. 1738 */ 1739 if ((mode->hdisplay > native_mode->hdisplay) || 1740 (mode->vdisplay > native_mode->vdisplay)) 1741 return MODE_PANEL; 1742 1743 /* if scaling is disabled, block non-native modes */ 1744 if (radeon_encoder->rmx_type == RMX_OFF) { 1745 if ((mode->hdisplay != native_mode->hdisplay) || 1746 (mode->vdisplay != native_mode->vdisplay)) 1747 return MODE_PANEL; 1748 } 1749 } 1750 } else { 1751 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 1752 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) { 1753 return radeon_dp_mode_valid_helper(connector, mode); 1754 } else { 1755 if (ASIC_IS_DCE6(rdev) && connector->display_info.is_hdmi) { 1756 /* HDMI 1.3+ supports max clock of 340 Mhz */ 1757 if (mode->clock > 340000) 1758 return MODE_CLOCK_HIGH; 1759 } else { 1760 if (mode->clock > 165000) 1761 return MODE_CLOCK_HIGH; 1762 } 1763 } 1764 } 1765 1766 return MODE_OK; 1767 } 1768 1769 static int 1770 radeon_connector_late_register(struct drm_connector *connector) 1771 { 1772 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 1773 int r = 0; 1774 1775 if (radeon_connector->ddc_bus->has_aux) { 1776 radeon_connector->ddc_bus->aux.dev = radeon_connector->base.kdev; 1777 r = drm_dp_aux_register(&radeon_connector->ddc_bus->aux); 1778 } 1779 1780 return r; 1781 } 1782 1783 static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = { 1784 .get_modes = radeon_dp_get_modes, 1785 .mode_valid = radeon_dp_mode_valid, 1786 .best_encoder = radeon_dvi_encoder, 1787 }; 1788 1789 static const struct drm_connector_funcs radeon_dp_connector_funcs = { 1790 .dpms = drm_helper_connector_dpms, 1791 .detect = radeon_dp_detect, 1792 .fill_modes = drm_helper_probe_single_connector_modes, 1793 .set_property = radeon_connector_set_property, 1794 .early_unregister = radeon_connector_unregister, 1795 .destroy = radeon_connector_destroy, 1796 .force = radeon_dvi_force, 1797 .late_register = radeon_connector_late_register, 1798 }; 1799 1800 static const struct drm_connector_funcs radeon_edp_connector_funcs = { 1801 .dpms = drm_helper_connector_dpms, 1802 .detect = radeon_dp_detect, 1803 .fill_modes = drm_helper_probe_single_connector_modes, 1804 .set_property = radeon_lvds_set_property, 1805 .early_unregister = radeon_connector_unregister, 1806 .destroy = radeon_connector_destroy, 1807 .force = radeon_dvi_force, 1808 .late_register = radeon_connector_late_register, 1809 }; 1810 1811 static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = { 1812 .dpms = drm_helper_connector_dpms, 1813 .detect = radeon_dp_detect, 1814 .fill_modes = drm_helper_probe_single_connector_modes, 1815 .set_property = radeon_lvds_set_property, 1816 .early_unregister = radeon_connector_unregister, 1817 .destroy = radeon_connector_destroy, 1818 .force = radeon_dvi_force, 1819 .late_register = radeon_connector_late_register, 1820 }; 1821 1822 void 1823 radeon_add_atom_connector(struct drm_device *dev, 1824 uint32_t connector_id, 1825 uint32_t supported_device, 1826 int connector_type, 1827 struct radeon_i2c_bus_rec *i2c_bus, 1828 uint32_t igp_lane_info, 1829 uint16_t connector_object_id, 1830 struct radeon_hpd *hpd, 1831 struct radeon_router *router) 1832 { 1833 struct radeon_device *rdev = dev->dev_private; 1834 struct drm_connector *connector; 1835 struct radeon_connector *radeon_connector; 1836 struct radeon_connector_atom_dig *radeon_dig_connector; 1837 struct drm_encoder *encoder; 1838 struct radeon_encoder *radeon_encoder; 1839 struct i2c_adapter *ddc = NULL; 1840 uint32_t subpixel_order = SubPixelNone; 1841 bool shared_ddc = false; 1842 bool is_dp_bridge = false; 1843 bool has_aux = false; 1844 1845 if (connector_type == DRM_MODE_CONNECTOR_Unknown) 1846 return; 1847 1848 /* if the user selected tv=0 don't try and add the connector */ 1849 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) || 1850 (connector_type == DRM_MODE_CONNECTOR_Composite) || 1851 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) && 1852 (radeon_tv == 0)) 1853 return; 1854 1855 /* see if we already added it */ 1856 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 1857 radeon_connector = to_radeon_connector(connector); 1858 if (radeon_connector->connector_id == connector_id) { 1859 radeon_connector->devices |= supported_device; 1860 return; 1861 } 1862 if (radeon_connector->ddc_bus && i2c_bus->valid) { 1863 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) { 1864 radeon_connector->shared_ddc = true; 1865 shared_ddc = true; 1866 } 1867 if (radeon_connector->router_bus && router->ddc_valid && 1868 (radeon_connector->router.router_id == router->router_id)) { 1869 radeon_connector->shared_ddc = false; 1870 shared_ddc = false; 1871 } 1872 } 1873 } 1874 1875 /* check if it's a dp bridge */ 1876 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 1877 radeon_encoder = to_radeon_encoder(encoder); 1878 if (radeon_encoder->devices & supported_device) { 1879 switch (radeon_encoder->encoder_id) { 1880 case ENCODER_OBJECT_ID_TRAVIS: 1881 case ENCODER_OBJECT_ID_NUTMEG: 1882 is_dp_bridge = true; 1883 break; 1884 default: 1885 break; 1886 } 1887 } 1888 } 1889 1890 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL); 1891 if (!radeon_connector) 1892 return; 1893 1894 connector = &radeon_connector->base; 1895 1896 radeon_connector->connector_id = connector_id; 1897 radeon_connector->devices = supported_device; 1898 radeon_connector->shared_ddc = shared_ddc; 1899 radeon_connector->connector_object_id = connector_object_id; 1900 radeon_connector->hpd = *hpd; 1901 1902 radeon_connector->router = *router; 1903 if (router->ddc_valid || router->cd_valid) { 1904 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info); 1905 if (!radeon_connector->router_bus) 1906 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n"); 1907 } 1908 1909 if (is_dp_bridge) { 1910 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 1911 if (!radeon_dig_connector) 1912 goto failed; 1913 radeon_dig_connector->igp_lane_info = igp_lane_info; 1914 radeon_connector->con_priv = radeon_dig_connector; 1915 if (i2c_bus->valid) { 1916 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 1917 if (radeon_connector->ddc_bus) { 1918 has_aux = true; 1919 ddc = &radeon_connector->ddc_bus->adapter; 1920 } else { 1921 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 1922 } 1923 } 1924 switch (connector_type) { 1925 case DRM_MODE_CONNECTOR_VGA: 1926 case DRM_MODE_CONNECTOR_DVIA: 1927 default: 1928 drm_connector_init_with_ddc(dev, &radeon_connector->base, 1929 &radeon_dp_connector_funcs, 1930 connector_type, 1931 ddc); 1932 drm_connector_helper_add(&radeon_connector->base, 1933 &radeon_dp_connector_helper_funcs); 1934 connector->interlace_allowed = true; 1935 connector->doublescan_allowed = true; 1936 radeon_connector->dac_load_detect = true; 1937 drm_object_attach_property(&radeon_connector->base.base, 1938 rdev->mode_info.load_detect_property, 1939 1); 1940 drm_object_attach_property(&radeon_connector->base.base, 1941 dev->mode_config.scaling_mode_property, 1942 DRM_MODE_SCALE_NONE); 1943 if (ASIC_IS_DCE5(rdev)) 1944 drm_object_attach_property(&radeon_connector->base.base, 1945 rdev->mode_info.output_csc_property, 1946 RADEON_OUTPUT_CSC_BYPASS); 1947 break; 1948 case DRM_MODE_CONNECTOR_DVII: 1949 case DRM_MODE_CONNECTOR_DVID: 1950 case DRM_MODE_CONNECTOR_HDMIA: 1951 case DRM_MODE_CONNECTOR_HDMIB: 1952 case DRM_MODE_CONNECTOR_DisplayPort: 1953 drm_connector_init_with_ddc(dev, &radeon_connector->base, 1954 &radeon_dp_connector_funcs, 1955 connector_type, 1956 ddc); 1957 drm_connector_helper_add(&radeon_connector->base, 1958 &radeon_dp_connector_helper_funcs); 1959 drm_object_attach_property(&radeon_connector->base.base, 1960 rdev->mode_info.underscan_property, 1961 UNDERSCAN_OFF); 1962 drm_object_attach_property(&radeon_connector->base.base, 1963 rdev->mode_info.underscan_hborder_property, 1964 0); 1965 drm_object_attach_property(&radeon_connector->base.base, 1966 rdev->mode_info.underscan_vborder_property, 1967 0); 1968 1969 drm_object_attach_property(&radeon_connector->base.base, 1970 dev->mode_config.scaling_mode_property, 1971 DRM_MODE_SCALE_NONE); 1972 1973 drm_object_attach_property(&radeon_connector->base.base, 1974 rdev->mode_info.dither_property, 1975 RADEON_FMT_DITHER_DISABLE); 1976 1977 if (radeon_audio != 0) { 1978 drm_object_attach_property(&radeon_connector->base.base, 1979 rdev->mode_info.audio_property, 1980 RADEON_AUDIO_AUTO); 1981 radeon_connector->audio = RADEON_AUDIO_AUTO; 1982 } 1983 if (ASIC_IS_DCE5(rdev)) 1984 drm_object_attach_property(&radeon_connector->base.base, 1985 rdev->mode_info.output_csc_property, 1986 RADEON_OUTPUT_CSC_BYPASS); 1987 1988 subpixel_order = SubPixelHorizontalRGB; 1989 connector->interlace_allowed = true; 1990 if (connector_type == DRM_MODE_CONNECTOR_HDMIB) 1991 connector->doublescan_allowed = true; 1992 else 1993 connector->doublescan_allowed = false; 1994 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 1995 radeon_connector->dac_load_detect = true; 1996 drm_object_attach_property(&radeon_connector->base.base, 1997 rdev->mode_info.load_detect_property, 1998 1); 1999 } 2000 break; 2001 case DRM_MODE_CONNECTOR_LVDS: 2002 case DRM_MODE_CONNECTOR_eDP: 2003 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2004 &radeon_lvds_bridge_connector_funcs, 2005 connector_type, 2006 ddc); 2007 drm_connector_helper_add(&radeon_connector->base, 2008 &radeon_dp_connector_helper_funcs); 2009 drm_object_attach_property(&radeon_connector->base.base, 2010 dev->mode_config.scaling_mode_property, 2011 DRM_MODE_SCALE_FULLSCREEN); 2012 subpixel_order = SubPixelHorizontalRGB; 2013 connector->interlace_allowed = false; 2014 connector->doublescan_allowed = false; 2015 break; 2016 } 2017 } else { 2018 switch (connector_type) { 2019 case DRM_MODE_CONNECTOR_VGA: 2020 if (i2c_bus->valid) { 2021 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2022 if (!radeon_connector->ddc_bus) 2023 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2024 else 2025 ddc = &radeon_connector->ddc_bus->adapter; 2026 } 2027 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2028 &radeon_vga_connector_funcs, 2029 connector_type, 2030 ddc); 2031 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2032 radeon_connector->dac_load_detect = true; 2033 drm_object_attach_property(&radeon_connector->base.base, 2034 rdev->mode_info.load_detect_property, 2035 1); 2036 if (ASIC_IS_AVIVO(rdev)) 2037 drm_object_attach_property(&radeon_connector->base.base, 2038 dev->mode_config.scaling_mode_property, 2039 DRM_MODE_SCALE_NONE); 2040 if (ASIC_IS_DCE5(rdev)) 2041 drm_object_attach_property(&radeon_connector->base.base, 2042 rdev->mode_info.output_csc_property, 2043 RADEON_OUTPUT_CSC_BYPASS); 2044 /* no HPD on analog connectors */ 2045 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2046 connector->interlace_allowed = true; 2047 connector->doublescan_allowed = true; 2048 break; 2049 case DRM_MODE_CONNECTOR_DVIA: 2050 if (i2c_bus->valid) { 2051 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2052 if (!radeon_connector->ddc_bus) 2053 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2054 else 2055 ddc = &radeon_connector->ddc_bus->adapter; 2056 } 2057 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2058 &radeon_vga_connector_funcs, 2059 connector_type, 2060 ddc); 2061 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2062 radeon_connector->dac_load_detect = true; 2063 drm_object_attach_property(&radeon_connector->base.base, 2064 rdev->mode_info.load_detect_property, 2065 1); 2066 if (ASIC_IS_AVIVO(rdev)) 2067 drm_object_attach_property(&radeon_connector->base.base, 2068 dev->mode_config.scaling_mode_property, 2069 DRM_MODE_SCALE_NONE); 2070 if (ASIC_IS_DCE5(rdev)) 2071 drm_object_attach_property(&radeon_connector->base.base, 2072 rdev->mode_info.output_csc_property, 2073 RADEON_OUTPUT_CSC_BYPASS); 2074 /* no HPD on analog connectors */ 2075 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2076 connector->interlace_allowed = true; 2077 connector->doublescan_allowed = true; 2078 break; 2079 case DRM_MODE_CONNECTOR_DVII: 2080 case DRM_MODE_CONNECTOR_DVID: 2081 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2082 if (!radeon_dig_connector) 2083 goto failed; 2084 radeon_dig_connector->igp_lane_info = igp_lane_info; 2085 radeon_connector->con_priv = radeon_dig_connector; 2086 if (i2c_bus->valid) { 2087 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2088 if (!radeon_connector->ddc_bus) 2089 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2090 else 2091 ddc = &radeon_connector->ddc_bus->adapter; 2092 } 2093 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2094 &radeon_dvi_connector_funcs, 2095 connector_type, 2096 ddc); 2097 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 2098 subpixel_order = SubPixelHorizontalRGB; 2099 drm_object_attach_property(&radeon_connector->base.base, 2100 rdev->mode_info.coherent_mode_property, 2101 1); 2102 if (ASIC_IS_AVIVO(rdev)) { 2103 drm_object_attach_property(&radeon_connector->base.base, 2104 rdev->mode_info.underscan_property, 2105 UNDERSCAN_OFF); 2106 drm_object_attach_property(&radeon_connector->base.base, 2107 rdev->mode_info.underscan_hborder_property, 2108 0); 2109 drm_object_attach_property(&radeon_connector->base.base, 2110 rdev->mode_info.underscan_vborder_property, 2111 0); 2112 drm_object_attach_property(&radeon_connector->base.base, 2113 rdev->mode_info.dither_property, 2114 RADEON_FMT_DITHER_DISABLE); 2115 drm_object_attach_property(&radeon_connector->base.base, 2116 dev->mode_config.scaling_mode_property, 2117 DRM_MODE_SCALE_NONE); 2118 } 2119 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) { 2120 drm_object_attach_property(&radeon_connector->base.base, 2121 rdev->mode_info.audio_property, 2122 RADEON_AUDIO_AUTO); 2123 radeon_connector->audio = RADEON_AUDIO_AUTO; 2124 } 2125 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 2126 radeon_connector->dac_load_detect = true; 2127 drm_object_attach_property(&radeon_connector->base.base, 2128 rdev->mode_info.load_detect_property, 2129 1); 2130 } 2131 if (ASIC_IS_DCE5(rdev)) 2132 drm_object_attach_property(&radeon_connector->base.base, 2133 rdev->mode_info.output_csc_property, 2134 RADEON_OUTPUT_CSC_BYPASS); 2135 connector->interlace_allowed = true; 2136 if (connector_type == DRM_MODE_CONNECTOR_DVII) 2137 connector->doublescan_allowed = true; 2138 else 2139 connector->doublescan_allowed = false; 2140 break; 2141 case DRM_MODE_CONNECTOR_HDMIA: 2142 case DRM_MODE_CONNECTOR_HDMIB: 2143 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2144 if (!radeon_dig_connector) 2145 goto failed; 2146 radeon_dig_connector->igp_lane_info = igp_lane_info; 2147 radeon_connector->con_priv = radeon_dig_connector; 2148 if (i2c_bus->valid) { 2149 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2150 if (!radeon_connector->ddc_bus) 2151 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2152 else 2153 ddc = &radeon_connector->ddc_bus->adapter; 2154 } 2155 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2156 &radeon_dvi_connector_funcs, 2157 connector_type, 2158 ddc); 2159 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 2160 drm_object_attach_property(&radeon_connector->base.base, 2161 rdev->mode_info.coherent_mode_property, 2162 1); 2163 if (ASIC_IS_AVIVO(rdev)) { 2164 drm_object_attach_property(&radeon_connector->base.base, 2165 rdev->mode_info.underscan_property, 2166 UNDERSCAN_OFF); 2167 drm_object_attach_property(&radeon_connector->base.base, 2168 rdev->mode_info.underscan_hborder_property, 2169 0); 2170 drm_object_attach_property(&radeon_connector->base.base, 2171 rdev->mode_info.underscan_vborder_property, 2172 0); 2173 drm_object_attach_property(&radeon_connector->base.base, 2174 rdev->mode_info.dither_property, 2175 RADEON_FMT_DITHER_DISABLE); 2176 drm_object_attach_property(&radeon_connector->base.base, 2177 dev->mode_config.scaling_mode_property, 2178 DRM_MODE_SCALE_NONE); 2179 } 2180 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) { 2181 drm_object_attach_property(&radeon_connector->base.base, 2182 rdev->mode_info.audio_property, 2183 RADEON_AUDIO_AUTO); 2184 radeon_connector->audio = RADEON_AUDIO_AUTO; 2185 } 2186 if (ASIC_IS_DCE5(rdev)) 2187 drm_object_attach_property(&radeon_connector->base.base, 2188 rdev->mode_info.output_csc_property, 2189 RADEON_OUTPUT_CSC_BYPASS); 2190 subpixel_order = SubPixelHorizontalRGB; 2191 connector->interlace_allowed = true; 2192 if (connector_type == DRM_MODE_CONNECTOR_HDMIB) 2193 connector->doublescan_allowed = true; 2194 else 2195 connector->doublescan_allowed = false; 2196 break; 2197 case DRM_MODE_CONNECTOR_DisplayPort: 2198 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2199 if (!radeon_dig_connector) 2200 goto failed; 2201 radeon_dig_connector->igp_lane_info = igp_lane_info; 2202 radeon_connector->con_priv = radeon_dig_connector; 2203 if (i2c_bus->valid) { 2204 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2205 if (radeon_connector->ddc_bus) { 2206 has_aux = true; 2207 ddc = &radeon_connector->ddc_bus->adapter; 2208 } else { 2209 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2210 } 2211 } 2212 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2213 &radeon_dp_connector_funcs, 2214 connector_type, 2215 ddc); 2216 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 2217 subpixel_order = SubPixelHorizontalRGB; 2218 drm_object_attach_property(&radeon_connector->base.base, 2219 rdev->mode_info.coherent_mode_property, 2220 1); 2221 if (ASIC_IS_AVIVO(rdev)) { 2222 drm_object_attach_property(&radeon_connector->base.base, 2223 rdev->mode_info.underscan_property, 2224 UNDERSCAN_OFF); 2225 drm_object_attach_property(&radeon_connector->base.base, 2226 rdev->mode_info.underscan_hborder_property, 2227 0); 2228 drm_object_attach_property(&radeon_connector->base.base, 2229 rdev->mode_info.underscan_vborder_property, 2230 0); 2231 drm_object_attach_property(&radeon_connector->base.base, 2232 rdev->mode_info.dither_property, 2233 RADEON_FMT_DITHER_DISABLE); 2234 drm_object_attach_property(&radeon_connector->base.base, 2235 dev->mode_config.scaling_mode_property, 2236 DRM_MODE_SCALE_NONE); 2237 } 2238 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) { 2239 drm_object_attach_property(&radeon_connector->base.base, 2240 rdev->mode_info.audio_property, 2241 RADEON_AUDIO_AUTO); 2242 radeon_connector->audio = RADEON_AUDIO_AUTO; 2243 } 2244 if (ASIC_IS_DCE5(rdev)) 2245 drm_object_attach_property(&radeon_connector->base.base, 2246 rdev->mode_info.output_csc_property, 2247 RADEON_OUTPUT_CSC_BYPASS); 2248 connector->interlace_allowed = true; 2249 /* in theory with a DP to VGA converter... */ 2250 connector->doublescan_allowed = false; 2251 break; 2252 case DRM_MODE_CONNECTOR_eDP: 2253 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2254 if (!radeon_dig_connector) 2255 goto failed; 2256 radeon_dig_connector->igp_lane_info = igp_lane_info; 2257 radeon_connector->con_priv = radeon_dig_connector; 2258 if (i2c_bus->valid) { 2259 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2260 if (radeon_connector->ddc_bus) { 2261 has_aux = true; 2262 ddc = &radeon_connector->ddc_bus->adapter; 2263 } else { 2264 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2265 } 2266 } 2267 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2268 &radeon_edp_connector_funcs, 2269 connector_type, 2270 ddc); 2271 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); 2272 drm_object_attach_property(&radeon_connector->base.base, 2273 dev->mode_config.scaling_mode_property, 2274 DRM_MODE_SCALE_FULLSCREEN); 2275 subpixel_order = SubPixelHorizontalRGB; 2276 connector->interlace_allowed = false; 2277 connector->doublescan_allowed = false; 2278 break; 2279 case DRM_MODE_CONNECTOR_SVIDEO: 2280 case DRM_MODE_CONNECTOR_Composite: 2281 case DRM_MODE_CONNECTOR_9PinDIN: 2282 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2283 &radeon_tv_connector_funcs, 2284 connector_type, 2285 ddc); 2286 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs); 2287 radeon_connector->dac_load_detect = true; 2288 drm_object_attach_property(&radeon_connector->base.base, 2289 rdev->mode_info.load_detect_property, 2290 1); 2291 drm_object_attach_property(&radeon_connector->base.base, 2292 rdev->mode_info.tv_std_property, 2293 radeon_atombios_get_tv_info(rdev)); 2294 /* no HPD on analog connectors */ 2295 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2296 connector->interlace_allowed = false; 2297 connector->doublescan_allowed = false; 2298 break; 2299 case DRM_MODE_CONNECTOR_LVDS: 2300 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); 2301 if (!radeon_dig_connector) 2302 goto failed; 2303 radeon_dig_connector->igp_lane_info = igp_lane_info; 2304 radeon_connector->con_priv = radeon_dig_connector; 2305 if (i2c_bus->valid) { 2306 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2307 if (!radeon_connector->ddc_bus) 2308 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2309 else 2310 ddc = &radeon_connector->ddc_bus->adapter; 2311 } 2312 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2313 &radeon_lvds_connector_funcs, 2314 connector_type, 2315 ddc); 2316 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); 2317 drm_object_attach_property(&radeon_connector->base.base, 2318 dev->mode_config.scaling_mode_property, 2319 DRM_MODE_SCALE_FULLSCREEN); 2320 subpixel_order = SubPixelHorizontalRGB; 2321 connector->interlace_allowed = false; 2322 connector->doublescan_allowed = false; 2323 break; 2324 } 2325 } 2326 2327 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) { 2328 if (i2c_bus->valid) { 2329 connector->polled = DRM_CONNECTOR_POLL_CONNECT | 2330 DRM_CONNECTOR_POLL_DISCONNECT; 2331 } 2332 } else 2333 connector->polled = DRM_CONNECTOR_POLL_HPD; 2334 2335 connector->display_info.subpixel_order = subpixel_order; 2336 drm_connector_register(connector); 2337 2338 if (has_aux) 2339 radeon_dp_aux_init(radeon_connector); 2340 2341 return; 2342 2343 failed: 2344 drm_connector_cleanup(connector); 2345 kfree(connector); 2346 } 2347 2348 void 2349 radeon_add_legacy_connector(struct drm_device *dev, 2350 uint32_t connector_id, 2351 uint32_t supported_device, 2352 int connector_type, 2353 struct radeon_i2c_bus_rec *i2c_bus, 2354 uint16_t connector_object_id, 2355 struct radeon_hpd *hpd) 2356 { 2357 struct radeon_device *rdev = dev->dev_private; 2358 struct drm_connector *connector; 2359 struct radeon_connector *radeon_connector; 2360 struct i2c_adapter *ddc = NULL; 2361 uint32_t subpixel_order = SubPixelNone; 2362 2363 if (connector_type == DRM_MODE_CONNECTOR_Unknown) 2364 return; 2365 2366 /* if the user selected tv=0 don't try and add the connector */ 2367 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) || 2368 (connector_type == DRM_MODE_CONNECTOR_Composite) || 2369 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) && 2370 (radeon_tv == 0)) 2371 return; 2372 2373 /* see if we already added it */ 2374 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 2375 radeon_connector = to_radeon_connector(connector); 2376 if (radeon_connector->connector_id == connector_id) { 2377 radeon_connector->devices |= supported_device; 2378 return; 2379 } 2380 } 2381 2382 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL); 2383 if (!radeon_connector) 2384 return; 2385 2386 connector = &radeon_connector->base; 2387 2388 radeon_connector->connector_id = connector_id; 2389 radeon_connector->devices = supported_device; 2390 radeon_connector->connector_object_id = connector_object_id; 2391 radeon_connector->hpd = *hpd; 2392 2393 switch (connector_type) { 2394 case DRM_MODE_CONNECTOR_VGA: 2395 if (i2c_bus->valid) { 2396 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2397 if (!radeon_connector->ddc_bus) 2398 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2399 else 2400 ddc = &radeon_connector->ddc_bus->adapter; 2401 } 2402 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2403 &radeon_vga_connector_funcs, 2404 connector_type, 2405 ddc); 2406 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2407 radeon_connector->dac_load_detect = true; 2408 drm_object_attach_property(&radeon_connector->base.base, 2409 rdev->mode_info.load_detect_property, 2410 1); 2411 /* no HPD on analog connectors */ 2412 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2413 connector->interlace_allowed = true; 2414 connector->doublescan_allowed = true; 2415 break; 2416 case DRM_MODE_CONNECTOR_DVIA: 2417 if (i2c_bus->valid) { 2418 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2419 if (!radeon_connector->ddc_bus) 2420 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2421 else 2422 ddc = &radeon_connector->ddc_bus->adapter; 2423 } 2424 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2425 &radeon_vga_connector_funcs, 2426 connector_type, 2427 ddc); 2428 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); 2429 radeon_connector->dac_load_detect = true; 2430 drm_object_attach_property(&radeon_connector->base.base, 2431 rdev->mode_info.load_detect_property, 2432 1); 2433 /* no HPD on analog connectors */ 2434 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2435 connector->interlace_allowed = true; 2436 connector->doublescan_allowed = true; 2437 break; 2438 case DRM_MODE_CONNECTOR_DVII: 2439 case DRM_MODE_CONNECTOR_DVID: 2440 if (i2c_bus->valid) { 2441 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2442 if (!radeon_connector->ddc_bus) 2443 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2444 else 2445 ddc = &radeon_connector->ddc_bus->adapter; 2446 } 2447 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2448 &radeon_dvi_connector_funcs, 2449 connector_type, 2450 ddc); 2451 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); 2452 if (connector_type == DRM_MODE_CONNECTOR_DVII) { 2453 radeon_connector->dac_load_detect = true; 2454 drm_object_attach_property(&radeon_connector->base.base, 2455 rdev->mode_info.load_detect_property, 2456 1); 2457 } 2458 subpixel_order = SubPixelHorizontalRGB; 2459 connector->interlace_allowed = true; 2460 if (connector_type == DRM_MODE_CONNECTOR_DVII) 2461 connector->doublescan_allowed = true; 2462 else 2463 connector->doublescan_allowed = false; 2464 break; 2465 case DRM_MODE_CONNECTOR_SVIDEO: 2466 case DRM_MODE_CONNECTOR_Composite: 2467 case DRM_MODE_CONNECTOR_9PinDIN: 2468 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2469 &radeon_tv_connector_funcs, 2470 connector_type, 2471 ddc); 2472 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs); 2473 radeon_connector->dac_load_detect = true; 2474 /* RS400,RC410,RS480 chipset seems to report a lot 2475 * of false positive on load detect, we haven't yet 2476 * found a way to make load detect reliable on those 2477 * chipset, thus just disable it for TV. 2478 */ 2479 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480) 2480 radeon_connector->dac_load_detect = false; 2481 drm_object_attach_property(&radeon_connector->base.base, 2482 rdev->mode_info.load_detect_property, 2483 radeon_connector->dac_load_detect); 2484 drm_object_attach_property(&radeon_connector->base.base, 2485 rdev->mode_info.tv_std_property, 2486 radeon_combios_get_tv_info(rdev)); 2487 /* no HPD on analog connectors */ 2488 radeon_connector->hpd.hpd = RADEON_HPD_NONE; 2489 connector->interlace_allowed = false; 2490 connector->doublescan_allowed = false; 2491 break; 2492 case DRM_MODE_CONNECTOR_LVDS: 2493 if (i2c_bus->valid) { 2494 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); 2495 if (!radeon_connector->ddc_bus) 2496 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); 2497 else 2498 ddc = &radeon_connector->ddc_bus->adapter; 2499 } 2500 drm_connector_init_with_ddc(dev, &radeon_connector->base, 2501 &radeon_lvds_connector_funcs, 2502 connector_type, 2503 ddc); 2504 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); 2505 drm_object_attach_property(&radeon_connector->base.base, 2506 dev->mode_config.scaling_mode_property, 2507 DRM_MODE_SCALE_FULLSCREEN); 2508 subpixel_order = SubPixelHorizontalRGB; 2509 connector->interlace_allowed = false; 2510 connector->doublescan_allowed = false; 2511 break; 2512 } 2513 2514 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) { 2515 if (i2c_bus->valid) { 2516 connector->polled = DRM_CONNECTOR_POLL_CONNECT | 2517 DRM_CONNECTOR_POLL_DISCONNECT; 2518 } 2519 } else 2520 connector->polled = DRM_CONNECTOR_POLL_HPD; 2521 2522 connector->display_info.subpixel_order = subpixel_order; 2523 drm_connector_register(connector); 2524 } 2525